<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/admin/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>管理员列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card class="box-card">
      <!-- 搜索与添加区域 -->
      <el-row :gutter="30">
        <el-col :span="9">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加管理员</el-button>
        </el-col>
      </el-row>
    </el-card>
    <!-- 用户表 -->
    <el-table :data="userlist" border stripe>
      <el-table-column type="index" label="#"></el-table-column>
      <el-table-column prop="username" label="姓名"></el-table-column>
      <!-- <el-table-column prop="role" label="角色"></el-table-column> -->
      <el-table-column prop="addtime" label="创建时间"></el-table-column>
      <el-table-column label="操作" width="180px">
        <template slot-scope="scope">
          <!-- 修改按钮 -->
          <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
          <!-- 删除按钮 -->
          <el-button
            type="danger"
            icon="el-icon-delete"
            size="mini"
            @click="removeUserById(scope.row.id)"
          ></el-button>
          <!-- 分配角色 -->
          <!-- <el-tooltip
            effect="dark"
            content="分配角色"
            placement="top"
            :enterable="false"
          >
            <el-button
              type="warning"
              icon="el-icon-setting"
              size="mini"
            ></el-button>
          </el-tooltip> -->
        </template>
      </el-table-column>
      <!-- <el-table-column label="状态">
        <template slot-scope="scope">
          {{ scope.row }}
        </template>
      </el-table-column> -->
    </el-table>
    <!-- 分页 -->
    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
    >
    </el-pagination>
    <!-- 添加用户的对话框 -->
    <el-dialog
      title="添加管理员"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
    <!-- 添加用户内容主体区 -->
    <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="90px">
      <el-form-item label="用户名" prop="username">
        <el-input v-model="addForm.username"></el-input>
      </el-form-item>
      <el-form-item label="密码" prop="password">
        <el-input v-model="addForm.password"></el-input>
      </el-form-item>
      <!-- <el-form-item label="角色" prop="role">
        <el-input v-model="addForm.role"></el-input>
      </el-form-item> -->
    </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button
        >
      </span>
    </el-dialog>

    <!-- 修改用户的对话框 -->
    <el-dialog
      title="修改信息"
      :visible.sync="editDialogVisible"
      width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="90px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="editForm.password"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示多少条数据
        pagesize: 2
      },
      userlist: {},
      total: 1,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        role: '管理员'
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' },
                  { min: 3, max: 10, message: '用户名的长度在3~10个字符之间', teigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' },
                  { min: 6, max: 15, message: '密码的长度在6~15个字符之间', teigger: 'blur' }],
        role: [{ required: false, message: '请输入角色', trigger: 'blur' }]
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 查询到的用户信息
      editForm: {},
      editFormRules: {
        role: [{ required: true, message: '请输入角色', trigger: 'blur' }]
      }
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    async getUserList() {
      const { data: res } = await this.$axios.get('/Admin/search', {
        params: this.queryInfo
      })
      if (res.code !== 200) {
        return this.$message.error('获取管理员列表失败！ ')
      }
      this.userlist = res.data.user
      this.total = res.data.total
    },
    // 监听 pagesize 改变的事件
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
      console.log(newSize)
    },
    // 监听页码值改变的事件
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听添加用户对话框的关闭事件
    addDialogClosed() {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮,添加新用户
    addUser() {
      this.$refs.addFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) return
        // 可以发起网络请求
        const { data: res } = await this.$axios.post('/Admin/register', this.addForm)
        console.log(res)
        if (res.code !== 200) {
          this.$message.error('添加管理员失败！ ')
        }
        this.$message.success('添加管理员成功！ ')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog(id) {
      const { data: res } = await this.$axios.get('/Admin/user/' + id)
      if (res.code !== 200) {
        return this.$message.error('查询管理员失败！ ')
      }
      this.editForm = res.data.user[0]
      this.editForm.password = null
      this.editDialogVisible = true
    },
    // 监听修改用户对话框的关闭事件
    editDialogClosed() {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户并提交
    editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 发起用户修改信息的请求
        const { data: res } = await this.$axios.put('/Admin/user/' + this.editForm.id, { password: this.editForm.password })
        console.log(this.editForm.id)
        if (res.code !== 200) {
          return this.$message.error('更新管理员信息失败！ ')
        }
        // 关闭用户修改窗口
        this.editDialogVisible = false
        // 更新用户列表
        this.getUserList()
        // 提示修改用户信息成功
        this.$message.success('更新管理员信息成功！ ')
      })
    },
    // 根据ID删除用户
    async removeUserById(id) {
      // 弹框提示用户是否删除
      const confirmResult = await this.$confirm('此操作将永久删除该管理，是否继续？', '删除管理员', {
        confirmButtonText: '',
        cancelButtonText: '',
        type: 'warning'
      }).catch(err => err)
      // 如果用户确认删除，则返回字符串 confirm
      // 如果用户确认删除，则返回字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$axios.delete('/Admin/user/' + id)
      if (res.code !== 200) {
        return this.$message.error('删除失败！')
      }
      this.$message.success('删除管理员成功！ ')
      this.getUserList()
    }
  }
}
</script>

<style lang="less" scoped>
</style>
